Finding the Fourth Proportional to 1,023,708.24, 1,529,565.61 and 987,907.09
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Solution
The fourth proportional to 1,023,708.24, 1,529,565.61 and 987,907.09 is: 1,476,073.60
Step by Step Solution
- Step 1: Write the proportion equation
1,023,708.24 : 1,529,565.61 = 987,907.09 : x - Step 2: Convert to fraction form
1,023,708.24/1,529,565.61 = 987,907.09/x - Step 3: Cross multiply
1,023,708.24x = 1,529,565.61 × 987,907.09 - Step 4: Simplify right side
1,023,708.24x = 1,511,068,710,739.18 - Step 5: Solve for x
x = 1,511,068,710,739.18/1,023,708.24 - Step 6: Final answer
x = 1,476,073.60
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.